makaylayunt37 makaylayunt37
  • 25-01-2022
  • Mathematics
contestada

Solve by substitution:

x - 5y = 32
2x - 9y = 57

Respuesta :

Yang100
Yang100 Yang100
  • 25-01-2022

Answer:

x=-3, y=-7. (-3, -7).

Step-by-step explanation:

x-5y=32

2x-9y=57

---------------

x=5y+32

2(5y+32)-9y=57

10y+64-9y=57

10y-9y=57-64

y=-7

x-5(-7)=32

x+35=32

x=32-35

x=-3

Answer Link

Otras preguntas

help please! this is algebra. It says it needs to be in a fractional exponent form ONLY!​
what is 2x^2+5x-3 factored
Pls help and explain
Write a scientific explanation explaining how the earth recycles plate materials?
Give two distinguishing features of class Amphibia​
How do you teach written skills English to college-level deaf students?
What are some of the thing one looks for in a good biography? Please give very long paragraph
While John is traveling along a straight inter- state highway, he notices that the mile marker /reads 256 km. John travels until he reaches the 138 km marker an
- 7/3x +y to the 2nd power (if w=1 x=6 y=3) show work
Wat are the 8 events that happened between Great Britain And the America colonies